Air Duct Cleaners

A/C refrigerant lines for central air: Okay to run through existing duct work?

qwer q asked: My old A/C unit will be getting replaced, and I would like to change the location of the compressor outside. The location I would like to have it placed has no easy way to run the A/C refrigerant lines to (the power would wrap around the house from the existing location inside [...]

replace or repair dryer vent? Who is best person to repair/replace?

punkinsmom asked: have a GE dryer that is causing me some trouble. We’ve noticed in the past few days that the dryer lint is getting into the air and is accumulating also on the vent that goes to the outdoors. I don’t know how the dryer is (it came with the house that we bought [...]